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import { ApolloError } from '@apollo/client/core';
import { readable } from 'svelte/store';
import { client } from '$config/apollo';
/*
* This is a generic store for use with apollo
*/
export const store = function store({ key, query, initialValue = null, variables = {} }) {
return readable({
loading: true,
data: initialValue,
error: undefined
}, (set) => {
const handleError = function (error) {
return set({
loading: false,
data: initialValue,
error
});
};
client.watchQuery({ query, variables }).subscribe((result) => {
if (result.errors) {
const error = new ApolloError({ graphQLErrors: result.errors });
return handleError(error);
}
set({
loading: false,
data: result.data[key],
error: undefined
});
}, (error) => handleError(error));
});
};
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